An analysis of anomalous weather and climate around the M S=6.2 earthquake of Zhangbei region |
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| Authors: | Qing-Sen Li Yu-Mei Jin Zhi-Cheng Miao Wen-Zhong Jia and Gui-Cai Jiang |
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| Institution: | (1) Zhangjiakou Meteorological Observatory of Hebei Province, 075000 Zhangjiakou, China;(2) Forth Middle School of Zhangjiakou City, 075000 Zhangjiakou, China |
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| Abstract: | Through analysis we found that some mesoscale anomalous regions (101–102 km) of meteorological parameters such as the special drought areas, unusual warm areas, the largest snowfall center, low
pressure area together with the epicenter area of M
S=6.2 Zhangbei earthquake on January 10, 1998 are located at the same area, i.e. there appears the “Five areas corresponding”
phenomenon. Meanwhile, three times of low pressure evolution are generated and develop in the earthquake area in five days
after the occurrence of the earthquake. The abnormal variation of the lower limit of frozen soil layer shows indirectly that
unusual warm in earthquake areas are related to the upward thermal conduction from the deeper layer of earth surface. |
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| Keywords: | strong earthquake in Zhangbei area especial drought areas unusual warm area largest snowfall inverted trough of low pressure |
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